The data in the table above give two points on the demand curve for pizza. Using the midpoint method when the price of a pizza falls from $10 to $9, what is the price elasticity of demand? a) 0.5 b) 0.6 c) 0.9 d) 2.1 e) 8.6 The values on the table: Price for pizza 10 quantity demand per day 100 Price for pizza 9 quantity demand per day 125